初二 chū'èr the second day Origin Definitions Defs Strokes Stroke Words Sentences Sents chū'èr the second day 初 chū lunar month prefix prefix used before the numbers one through ten to denote the first ten days of a lunar month二 èr numeral two the number two; 2chū'èr eighth grade 初 chū nounadjective elementary (bound form) elementary; basic; the lowest level in a hierarchy of grades二 èr numeral second ordinal number two; second